N. H. Nanjundaswamy and R. B. Sridhara, “A comparative study of ondansetron and granisetron in combination with dexamethasone-in prophylaxis for postoperative nausea and vomiting (PONV) in laproscopic cholecystectomies”, Int J Res Med Sci, vol. 6, no. 2, pp. 503–508, Jan. 2018.